Move crypto_helpers from sync to base

webkit/glue/webkitclient_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/glue/webkitclient_impl.h"
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
@@ skipping 433 matching lines @@
   return ReplaceStringPlaceholders(
       GetLocalizedString(message_id), values, NULL);
 }
 
 double WebKitClientImpl::currentTime() {
   return base::Time::Now().ToDoubleT();
 }
 
 void WebKitClientImpl::cryptographicallyRandomValues(
     unsigned char* buffer, size_t length) {
-  uint64 bytes = 0;
-  for (size_t i = 0; i < length; ++i) {
-    size_t offset = i % sizeof(bytes);
-    if (!offset)
-      bytes = base::RandUint64();
-    buffer[i] = reinterpret_cast<unsigned char*>(&bytes)[offset];
-  }
+  base::RandBytes(buffer, length);
 }
 
 void WebKitClientImpl::setSharedTimerFiredFunction(void (*func)()) {
   shared_timer_func_ = func;
 }
 
 void WebKitClientImpl::setSharedTimerFireTime(double fire_time) {
   shared_timer_fire_time_ = fire_time;
   if (shared_timer_suspended_)
     return;
@@ skipping 125 matching lines @@
   ++shared_timer_suspended_;
 }
 
 void WebKitClientImpl::ResumeSharedTimer() {
   // The shared timer may have fired or been adjusted while we were suspended.
   if (--shared_timer_suspended_ == 0 && !shared_timer_.IsRunning())
     setSharedTimerFireTime(shared_timer_fire_time_);
 }
 
 }  // namespace webkit_glue